What is CST (China) in JST?
Japan Standard Time is 1 hour ahead
China Standard Time is on UTC+8:00 and Japan Standard Time is on UTC+9:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Beijing
- 10:15 am
- Time in Tokyo
- 11:15 am
- Difference
- +1 h
- Next clock change
- Neither zone
Convert a time
JST — Japan Standard Time
11:00 am
Wed
Daylight saving
China Standard Time
China Standard Time stays on CST all year, so its offset from UTC never moves.
Japan Standard Time
Japan Standard Time stays on JST all year, so its offset from UTC never moves.
CST (China) to JST conversion table
Every hour of Wednesday, September 23, 2026, converted from China Standard Time to Japan Standard Time. 1 of the 24 hours fall on a different calendar day in Tokyo, which is marked.
- 12:00 am CST
- 1:00 am JST
- 1:00 am CST
- 2:00 am JST
- 2:00 am CST
- 3:00 am JST
- 3:00 am CST
- 4:00 am JST
- 4:00 am CST
- 5:00 am JST
- 5:00 am CST
- 6:00 am JST
- 6:00 am CST
- 7:00 am JST
- 7:00 am CST
- 8:00 am JST
- 8:00 am CST
- 9:00 am JST
- 9:00 am CST
- 10:00 am JST
- 10:00 am CST
- 11:00 am JST
- 11:00 am CST
- 12:00 pm JST
- 12:00 pm CST
- 1:00 pm JST
- 1:00 pm CST
- 2:00 pm JST
- 2:00 pm CST
- 3:00 pm JST
- 3:00 pm CST
- 4:00 pm JST
- 4:00 pm CST
- 5:00 pm JST
- 5:00 pm CST
- 6:00 pm JST
- 6:00 pm CST
- 7:00 pm JST
- 7:00 pm CST
- 8:00 pm JST
- 8:00 pm CST
- 9:00 pm JST
- 9:00 pm CST
- 10:00 pm JST
- 10:00 pm CST
- 11:00 pm JST
- 11:00 pm CST
- 12:00 am JST+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 5:00 pm CST, which is 10:00 am to 6:00 pm JST. Anything inside that window falls in the normal working day at both ends.
A note on CST (China): it can also mean the abbreviation CST is shared with US Central Time and Cuba Standard Time.
China Standard Time (CST) is used in the whole of China, which runs on one offset from Kashgar to Shanghai